[coreboot] More experiments with disabling the ME

[Persmule]

Hi Federico,

You guys seem to have successfully built a usable coreboot image for
x220. Could you share its revision and config file? I have never built
such usable image till now.

Besides, is script file me_cleaner.py downloadable somewhere?

Persmule.

在 2016年11月12日 22:41, Federico Amedeo Izzo 写道:
> On 11/11/2016 10:16 AM, Persmule wrote:
>> Hi everybody,
>> After a manual shutdown and repower, the integrated NIC is functional
>> again. Has similar phenominon been observed yet?
>>> Now my x220 has survived nearly one hour, and the MEI has disappeared from PCI bus, but, additionally, the integrated NIC ceased to be functional with such error seen from dmesg:
>>>
> Hi Persmule,
> Thanks for trying out Nicola's script to clean the ME blob.
>
> Be careful whenever you try changing ME blob to poweroff completely
> the computer, and start again, because apparently if you don't reboot
> the ME won't load the new firmware from the flash.
> In fact it happened to me that after flashing a non valid ME firmware
> on my X201 the computer survived the reboot but became a brick after
> shutdown.
>
> The possibility of replacing the ME blob inside an official (Lenovo or
> other) bios is very interesting because it extends also to hardware
> not supported by coreboot, and probabily to CPUs newer than Ivy Bridge
> (Trammell Hudson tested it on a Skylake mobile CPU
> https://www.coreboot.org/pipermail/coreboot/2016-November/082335.html)
>
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